IDAHO (MT)

Cyberchase"Lost My Marbles"
(topic: Navigation) - A day at the library turns into a cyberventure when Jackie, Matt, and Inez learn that Hacker has kidnapped Dr. Marbles, the only person who can save Motherboard from an evil virus! The team learns to use a map as a mathematical tool as they navigate across a cyber island in search of Marbles.then try to escape before a huge earthquake turns the island inside out! The Big Idea: A map is a mathematical tool you can use to find your way from one place to another, anywhere on earth. D

5:00 pm

Fetch! With Ruff Ruffman"Ruff Fetches The Fetchers"
Season Five is about to start but Ruff has been so busy trying to find his long-lost parents, he's forgotten to choose his Season 5 FETCHers! In this casting special, viewers get a behind-the-scenes look at how Ruff goes about picking his contestants. Unfortunately, shortly after selecting his intrepid kids, Ruff loses them on the way to Studio G!. D

5:30 pm

Nightly Business Report
Tonight on Nightly Business Report, a wild week on Wall Street comes to a close. But with the end of the quarter and first half quickly approaching, will we see even bigger swings next week? And, remember Jeff Skilling? The ex-Enron CEO was at the center of one of the most notorious financial scandals and today his prison sentence was reduced. NBR has a report from the courthouse in Houston. D

Need to Know
RAY SUAREZ ANCHORS. This week Need to Know travels to Tucson, Arizona, where a years-long dispute over a Mexican-American studies program has tensions high; supporters say it has helped re-engage at risk students and improved their test scores. Opponents contend it encourages subversive thinking. D

8:00 pm

The Bletchley Circle
When Scotland Yard dismisses the women's theories, they realize it is up to them to stop the killer before he takes his next victim. They identify a suspect and use Lucy to lure him into a trap, but the plan goes awry, causing the women to take a different approach. Part 2 of 3G

Great Performances"Dance In America: NY Export: Opus Jazz"
The five movements of the jazz score by Robert Prince blend ballet, jazz and ballroom dancing with Latin, African and American rhythms. Now this Jerome Robbins 1958 "ballet in sneakers" takes to the streets with New York City Ballet principal dancers Ellen Bar and Sean Suozzi, filmed on locations all over the five boroughs of New York City. The 16 emblematic characters are city kids drawn together by their youth, energy and hunger for life, but this Opus Jazz takes them out of the 1950s and into today.G